12632609 has 8 divisors (see below), whose sum is σ = 13904352. Its totient is φ = 11381440.

The previous prime is 12632597. The next prime is 12632617. The reversal of 12632609 is 90623621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12632609 - 2⁸ = 12632353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12632629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839 + ... + 6324.

It is an arithmetic number, because the mean of its divisors is an integer number (1738044).

Almost surely, 2^12632609 is an apocalyptic number.

It is an amenable number.

12632609 is a deficient number, since it is larger than the sum of its proper divisors (1271743).

12632609 is a wasteful number, since it uses less digits than its factorization.

12632609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 12632609 is about 3554.2381743490. The cubic root of 12632609 is about 232.8972451181.

The spelling of 12632609 in words is "twelve million, six hundred thirty-two thousand, six hundred nine".